CN110371766B

CN110371766B - Blanking device of paperboard folding equipment

Info

Publication number: CN110371766B
Application number: CN201910685565.0A
Authority: CN
Inventors: 丁文信; 丁康
Original assignee: Qingdao Sanxin Packaging Technology Co ltd
Current assignee: Qingdao Sanxin Packaging Technology Co ltd
Priority date: 2019-07-27
Filing date: 2019-07-27
Publication date: 2020-09-29
Anticipated expiration: 2039-07-27
Also published as: CN110371766A

Abstract

The invention discloses a blanking device of paperboard folding equipment, which belongs to the technical field of paperboard processing and comprises a rack, wherein a material receiving mechanism is arranged on the rack, a tray is placed on the material receiving mechanism, and a material changing mechanism, a clamping mechanism and a cutting mechanism are arranged on the rack; the clamping mechanism comprises a cylinder fixedly arranged at one end of the rack, and the end part of a piston rod of the cylinder extends into the rack and is fixedly connected with a pressing plate; the material changing mechanism comprises a material receiving frame which is connected to the rack in a reciprocating horizontal sliding mode relative to the air cylinder, the material receiving frame is as high as the air cylinder, the material receiving frame can clamp the paper board with a pressing plate at the end part of a piston rod of the air cylinder, and a gap for stacking the paper feeding plate on the material receiving mechanism can be formed between the material receiving frame and the pressing plate; the cutting mechanism comprises a cutting knife which is horizontally connected to the rack in a sliding mode, the cutting knife is located above the pressing plate, and the rack is connected with a driving assembly which drives the cutting knife to vertically slide relative to the sliding direction of the material receiving frame.

Description

Blanking device of paperboard folding equipment

Technical Field

The invention relates to the technical field of paperboard processing, in particular to a blanking device of paperboard folding equipment.

Background

The cardboard is also called as paperboard, and is a thick paper sheet formed by interweaving fibers and processed by various paper pulps. The distinction between paperboard and paper is generally distinguished by basis weight and caliper, generally referring to paperboard having a basis weight in excess of 200g/m2 and a caliper greater than 0.5 mm. The packaging paper board is a generic name of paper boards for packaging, including white board paper, yellow board paper, kraft paper board, corrugated board and the like, mainly made of wood, rice and wheat straw and the like as raw materials, pulped by different methods, made on a paper board machine, generally required to have strong folding resistance and good bending property, mainly used for making packaging paper boxes, and also used as packaging materials or printing materials and the like.

The preparation process of the paperboard comprises the following steps: a. the method comprises the following steps of firstly, making raw paper into paper boards, and conveying the paper boards produced by the paper board machine to a printing machine; b. the printing machine prints the paperboard and transmits the printed paperboard to the creasing machine; c. the creasing machine is used for creasing the printed paper board and transmitting the creased paper board to folding equipment; d. the folding equipment is used for folding the paper board from the indentation of the paper board by driving the paper board to swing, and the folded paper board is stacked on the tray.

Because folding equipment is blanking that does not stop at the folding in-process always, after cardboard on the tray is piled up fully, need change the tray and need cut off the cardboard, traditional mode all is to cut off the cardboard after shutting down, changes new tray again, and the machine is frequent to be switched, causes machine trouble easily and shortens machine life even.

Disclosure of Invention

The invention aims to provide a blanking device of paperboard folding equipment, which achieves the purpose of changing a tray without stopping by arranging a material receiving mechanism, a clamping mechanism and a cutting mechanism on a rack, thereby prolonging the service life of the machine.

The technical purpose of the invention is realized by the following technical scheme:

a blanking device of paperboard folding equipment comprises a rack, wherein a material receiving mechanism is arranged on the rack, a tray for bearing a paperboard is placed on the material receiving mechanism, and a clamping mechanism, a cutting mechanism and a material changing mechanism which are positioned above the material receiving mechanism and on the same side in the rack are arranged in the rack; the clamping mechanism comprises an air cylinder fixedly arranged at one end of the rack, and the end part of a piston rod of the air cylinder extends into the rack and is fixedly connected with a horizontally arranged pressing plate; the material changing mechanism comprises a material receiving frame which is arranged at the same height as the pressing plate and is connected to the rack in a reciprocating horizontal sliding manner relative to the pressing plate, when the material receiving frame is far away from the pressing plate, a channel for allowing the paper boards to fall and be stacked on the material receiving mechanism is formed between the material receiving frame and the pressing plate, and when the material receiving frame moves to the pressing plate, a clamping gap for accommodating the paper boards is formed between the material receiving frame and the pressing plate; the cutting mechanism comprises a cutting knife which is horizontally connected to the rack in a sliding mode, the cutting knife is located above the pressing plate, and a driving assembly which drives the cutting knife to vertically slide relative to the sliding direction of the material receiving frame is connected to the rack.

By adopting the scheme, the material receiving mechanism slides upwards along the rack to a position close to the gap between the pressing plate and the material receiving frame, so that the paper board is folded on the tray, when the paper boards on the tray are fully stacked, the material receiving frame horizontally slides along the rack to the direction of the air cylinder, a piston rod of the air cylinder extends to enable a pressing plate at the end part of the air cylinder and the end part of the material receiving frame to clamp the paper boards, the cutting knife vertically slides along the sliding direction of the rack and the material receiving frame, the paper boards can be cut off from the upper part of the pressing plate by the cutting knife, the cut paper boards are folded and stacked on the material receiving frame, the material receiving mechanism slides to the bottom of the rack, after the material receiving mechanism is replaced with a new tray, the material receiving mechanism is driven to slide to a position close to the material receiving frame, the material receiving frame slides towards the direction far away from the air cylinder, the paper boards on the material receiving frame drop onto the new tray, the purpose of replacing the tray without.

The invention is further configured to: the rack is connected with a second driving assembly for driving the material receiving frame to horizontally slide; the driving assembly II comprises four chain wheels II rotating on the rack, the chain wheels II are located at four corners of the rack, a chain II is meshed on the two chain wheels II located on the same side of the rack, a driving shaft is fixedly arranged at the central part of the two chain wheels II, far away from one end of the air cylinder, of the rack, a motor III fixedly connected with one end of the output shaft and one end of the driving shaft is arranged on the rack, and the material receiving frame is fixedly connected to the chain II.

By adopting the scheme, the motor III rotates in the positive direction to drive the chain wheel II to rotate, the chain wheel II can drive the chain II to transmit by rotating, and then the material receiving frame can be driven to slide towards the direction of the pressing plate, so that the paper board is folded on the material receiving frame; the motor is rotated in three directions, so that the material receiving frame can be driven to slide in the direction away from the air cylinder, and the paper board is folded on the tray of the material receiving mechanism.

The invention is further configured to: the frame both sides have seted up the groove of sliding along the sliding direction who connects the work or material rest, connect the bottom of work or material rest to set firmly to slide and connect the sliding block in the groove of sliding.

By adopting the scheme, when the material receiving frame is driven by the motor three to slide on the rack, the sliding block at the bottom of the material receiving frame slides in the sliding groove of the rack, and the sliding groove and the sliding block are matched to play a role in guiding the material receiving frame.

The invention is further configured to: and a baffle extending along the sliding direction of the material receiving frame is fixedly arranged above the material receiving frame on the rack.

Through adopting above-mentioned scheme, after changing new tray, the motor three-drive connects the work or material rest to the direction of keeping away from the cylinder and slides, and the baffle can push away the cardboard that connects on the work or material rest and fall, makes the cardboard drop to new tray on to make the cardboard continue to fold on the tray.

The invention is further configured to: the cutting mechanism further comprises a fixed rod which is fixedly arranged on the rack, is parallel to the pressing plate and is positioned above the pressing plate, the top of the fixed rod is connected with a cutter holder in a horizontal sliding mode, the cutting knife is connected onto the cutter holder, and the cutter holder is connected with the driving assembly.

Through adopting above-mentioned scheme, drive assembly drive blade holder is at the top that the regulation is done for connecing the perpendicular direction level of the glide direction of work or material rest to slide, can cut off the cardboard on the cutting knife on the blade holder, makes the cardboard pile up on connecing the work or material rest.

The invention is further configured to: the driving assembly comprises transmission gears which are rotatably connected to two ends of the top of the fixed rod, toothed belts are meshed with the two transmission gears together, one end of the fixed rod is fixedly connected with a motor V which drives the transmission gears to transmit, and the tool apron is fixedly connected to the toothed belts.

Through adopting above-mentioned scheme, five rotations of motor drive the cingulums and rotate, and the cingulum rotates and can drive the blade holder and slide along the dead lever to can make the cutting knife on the blade holder cut the cardboard, when five reversals of motor, the cingulum can be with blade holder and cutting knife removal to the one end of dead lever, do not influence the cardboard and pile up on new tray.

The invention is further configured to: the top of dead lever has seted up the guide way along its length extending direction, and the bottom of blade holder sets firmly to slide and connects the guide block in the guide way. .

Through adopting above-mentioned scheme, when five drive blade holders of motor when sliding at the top of dead lever, the guide block of blade holder bottom slides in the guide way at dead lever top, and the guide way can play the guide effect to the blade holder, prevents the cutting knife at the in-process off tracking of cutting.

The invention is further configured to: the material receiving mechanism comprises a first material receiving assembly which is vertically connected to the rack in a sliding manner, a first driving assembly which drives the first material receiving assembly to slide, and a second material receiving assembly which is positioned on one side of the bottom of the rack; first material subassembly and the second of connecing all include vertical slip and connect the support in the frame, rotate on the support and be connected with many driving rollers that are parallel to each other, and the axial of driving roller sets up perpendicularly with the direction of sliding of support, and the tray is placed in the driving roller top, and support and fixedly connected with master gear are extended to the one end of driving roller, and the meshing has from the gear between the adjacent master gear, fixedly connected with drive master gear pivoted motor one on the support.

Through adopting above-mentioned scheme, drive assembly one can drive the support and drive the tray and upwards slide, makes the cardboard fold on the tray, and along with piling up of cardboard on the tray, drive assembly one drive support slides downwards, finally piles up full cardboard on the tray after, and the support slides to ground, and motor one drive driving roller rotates, makes the automatic one side roll-off from the support of tray of filling with the cardboard.

The invention is further configured to: the first driving assembly comprises a second motor fixedly arranged on two sides of the rack, a transmission shaft which is horizontally arranged and is perpendicular to the length direction of the pressing plate is connected to the second motor, chain wheels I are fixedly arranged at two ends of the transmission shaft respectively, a chain I is meshed with each chain wheel I, one end of each chain I is fixedly connected to the support, a balancing weight is fixedly connected to the other end of each chain wheel I, and the balancing weight is connected to the outer side of the rack in a vertical sliding mode.

Through adopting above-mentioned scheme, the corotation of motor two, the drive support upwards slides, and chain one upwards slides along with the support, and the balancing weight slides downwards along the frame, and the balancing weight can make the chain keep balance at the in-process that slides.

The invention is further configured to: the rack is square formed by four support legs, a first vertical sliding groove is formed in the inner side of each support leg, idler wheels are rotatably connected at the four corners of the rack, and the idler wheels are connected in the first sliding grooves in a sliding manner;

vertical spout two has been seted up in the outside that the stabilizer blade deviates from spout one, and the inboard that the balancing weight is close to the frame has set firmly the slider of sliding connection in spout two.

Through adopting above-mentioned scheme, when the support is vertical to slide, the gyro wheel slides in spout one, and the gyro wheel can become to roll sliding, reduces the friction between support and the frame, and when the balancing weight slided on the frame, slider and spout two can play the guide effect to the balancing weight.

In conclusion, the invention has the following beneficial effects:

1. the material receiving mechanism, the clamping mechanism and the cutting mechanism are arranged on the rack, the clamping mechanism can clamp the paper board, the cutting mechanism can cut off the paper board, the material changing mechanism can temporarily bear the discharged paper board, the purpose of changing the tray without stopping is achieved, and the service life of the machine is prolonged;

2. the guide block is fixedly arranged at the bottom of the cutter holder, the guide groove is formed in the top of the fixed rod, and the guide block and the guide groove can guide the cutter holder to prevent the cutting knife from deviating in the cutting process;

3. the main gear is fixedly arranged on the transmission roller of the bracket, the driven gears are meshed between the main gears, the main gear is connected with a first motor for driving the main gear and the driven gears to rotate, the first motor drives the main gear to rotate and can drive the transmission roller to rotate, and then the tray positioned at the top of the transmission roller can automatically slide out from one side of the bracket;

4. the first chain is connected to the support, the end, far away from the support, of the first chain is fixedly provided with the balancing weight connected to the rack in a sliding mode, and the balancing weight can enable the first chain to keep balance in the moving process.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is a schematic view of the structure of the gantry;

FIG. 3 is a schematic structural diagram of a rack and a receiving mechanism;

FIG. 4 is an exploded view of the roller and chute assembly shown in relief;

FIG. 5 is a schematic view of the mechanism for highlighting the reloading mechanism and the clamping mechanism;

FIG. 6 is a cross-sectional view of the refueling mechanism and the clamping mechanism shown in relief;

FIG. 7 is a schematic view showing the structure of the cutting mechanism.

In the figure, 1, a frame; 11. a support leg; 111. a first sliding chute; 112. a second chute; 12. a cross beam; 13. a support frame; 131. a sliding groove; 14. a tray; 2. a material receiving mechanism; 21. a second receiving component; 22. a first receiving component; 221. a support; 2211. a roller; 222. a driving roller; 223. a main gear; 2231. a first motor; 224. a slave gear; 225. a first driving component; 2251. a second motor; 2252. a drive shaft; 2253. a chain wheel I; 2254. a first chain; 2255. a balancing weight; 2256. a slider; 3. a material changing mechanism; 31. a material receiving frame; 311. a sliding block; 32. a free roll; 33. a second driving component; 331. a second chain wheel; 332. a second chain; 333. a drive shaft; 334. a third motor; 34. a baffle plate; 4. a clamping mechanism; 41. a cylinder; 42. pressing a plate; 43. fixing the rod; 431. a guide groove; 44. a guide cylinder; 5. a cutting mechanism; 51. a tool apron; 511. a guide block; 52. a cutting knife; 521. a fourth motor; 53. a transmission gear; 54. a toothed belt; 55. and a fifth motor.

Detailed Description

A blanking device of paperboard folding equipment is shown in figures 1 and 2 and comprises a rack 1, wherein the rack 1 comprises four support legs 11 and a cross beam 12 fixedly arranged at the tops of the support legs 11, a support frame 13 is horizontally and fixedly arranged in the middle of the support legs 11 below the cross beam 12, a material receiving mechanism 2 is arranged at the bottom of the rack 1, a material changing mechanism 3 is horizontally connected to the top of the support frame 13 in a sliding mode, a clamping mechanism 4 with the same height as the material changing mechanism 3 is fixedly arranged at one end of the support frame 13, a cutting mechanism 5 is fixedly arranged above the clamping mechanism 4, and a tray 14 for receiving materials is arranged on the material receiving mechanism 2. A gap is formed between the material changing mechanism 3 and the clamping mechanism 4, the material receiving mechanism 2 slides upwards along the rack 1 to be close to a gap formed between the material changing mechanism 3 and the clamping mechanism 4, a paperboard can be folded on a tray 14 of the material receiving mechanism 2, after the tray 14 on the material receiving mechanism 2 is full of the paperboard, the material receiving mechanism 2 slides downwards along the rack 1, the material changing mechanism 3 can horizontally move to the position above the material receiving mechanism 2, the clamping mechanism 4 clamps the paperboard, the cutting mechanism 5 cuts the paperboard, the paperboard is temporarily stacked on the material changing mechanism 3, after the material receiving mechanism 2 slides to the bottom of the rack 1 and is replaced with a new tray 14, the material receiving mechanism 2 is driven to slide upwards to the gap between the material changing mechanism 3 and the cutting mechanism 5, and the paperboard is folded on the new tray 14.

Referring to fig. 1 and fig. 3, the receiving mechanism 2 includes a first receiving assembly 22 connected to the rack 1 in a vertically sliding manner, and a second receiving assembly 21 having the same structure as the first receiving assembly 22 is disposed on one side of the bottom of the rack 1, where only the first receiving assembly 22 is taken as an example. The first material receiving assembly 22 comprises a square bracket 221, the bracket 221 is rotatably connected with a plurality of driving rollers 222, the axial direction of the driving rollers 222 is perpendicular to the sliding direction of the bracket 221, two ends of each driving roller 222 are flush and are uniformly arranged on the same horizontal plane, each driving roller 222 protrudes out of the top of the bracket 221, one end of each driving roller 222 extends out of the bracket 221 and is fixedly provided with a main gear 223, a driven gear 224 is meshed between every two adjacent main gears 223, one motor 2231 for driving the main gear 223 to rotate is fixedly connected to one main gear 223, and the motor 2231 is fixedly connected to the bracket 221. When receiving materials, the tray 14 is placed on the driving roller 222 of the first material receiving assembly 22, and after the cardboard on the tray 14 is fully stacked, the first motor 2231 rotates, so that the tray 14 on the driving roller 222 of the first material receiving assembly 22 can be transmitted to the driving roller 222 on the second material receiving assembly 21.

Referring to fig. 1 and 3, a first driving assembly 225 for driving the first material receiving assembly 22 to vertically slide on the rack 1 is connected to the first material receiving assembly 22, the first driving assembly 225 includes two second motors 2251 fixedly arranged on two sides of the rack 1, the second motors 2251 are rotatably connected to a transmission shaft 2252, the transmission shaft 2252 is perpendicular to the leg 11 of the rack 1, a commutator is fixedly connected between the second motors 2251 and the transmission shaft 2252, two first chain wheels 2253 are fixedly arranged at two ends of the transmission shaft 2252, a first chain 2254 is engaged with each first chain wheel 2253, one end of each first chain 2254 is fixedly connected to the bracket 221, the other end of each first chain wheel 2255 is fixedly connected to a counterweight block 2255, a first chute 111 and a second chute 112 are respectively arranged on two sides of each leg 11 of the rack 1, two slide blocks 2256 are fixedly arranged at two ends of one side of the counterweight block 2255 facing the inside the leg; referring to fig. 4, four rollers 2211 are fixedly disposed at four corners of the bracket 221, the rollers 2211 are connected to the walls of the first sliding grooves 111 of the support legs 11 in a vertically sliding manner, and the rollers 2211 can reduce friction between the bracket 221 and the support legs 11. The second motor 2251 rotates to drive the transmission shaft 2252 to rotate, and the transmission shaft 2252 rotates to drive the support 221 to slide upwards along the support leg 11, and the weight block 2255 slides downwards along the support leg 11, so that when the support 221 slides to a position close to the support frame 13, the paper board starts to be folded on the tray 14 of the support 221, and as the paper boards on the tray 14 are stacked more, the second motor 2251 rotates reversely to drive the support 221 to slide downwards.

Referring to fig. 5 and 6, the material changing mechanism 3 includes a material receiving frame 31 connected to the support frame 13 in a horizontal sliding manner, a plurality of free rollers 32 are rotatably connected to the material receiving frame 31 and are arranged in a direction perpendicular to the sliding direction of the material receiving frame 31, two ends of each free roller 32 are flush with each other and are uniformly arranged on the same horizontal plane of the material receiving frame 31, the free rollers 32 protrude out of the top of the material receiving frame 31, and a second driving assembly 33 for driving the material receiving frame 31 to slide towards or away from the clamping mechanism 4 is connected to the material receiving frame 31. The second driving component 33 comprises four second chain wheels 331 rotating on two sides of the supporting frame 13, the second chain wheels 331 are distributed at four corners of the top of the supporting frame 13, two second chains 332 are simultaneously meshed on the two second chain wheels 331 positioned on the same side of the supporting frame 13, the second chains 332 are horizontally arranged along the sliding direction of the material receiving frame 31, a driving shaft 333 is fixedly arranged between the central parts of the two second chain wheels 331 at one end of the supporting frame 13 far away from the clamping mechanism 4, one end of the driving shaft 333 is fixedly connected with a third motor 334, an output shaft of the third motor 334 is fixedly connected with the driving shaft 333, and the third motor 334 is fixedly connected with the; the top of support frame 13 has seted up the groove 131 that slides along the direction of sliding of receiving material frame 31, and the bottom of receiving material frame 31 sets firmly slides and connects the sliding block 311 in the groove 131 that slides, and the groove 131 that slides and sliding block 311 play the guide effect to material frame 31. The third motor 334 rotates forward to drive the material receiving frame 31 to slide towards the clamping mechanism 4, so that the paper board can be folded on the free roller 32 of the material receiving frame 31. Two baffles 34 which are parallel to each other are fixedly arranged above the material receiving frame 31, the length direction of the baffles 34 is arranged along the sliding direction of the material receiving frame 31, the baffles 34 are fixedly connected to the supporting frame 13, when the motor three 334 rotates reversely, the material receiving frame 31 is driven to slide towards the direction far away from the clamping mechanism 4, and the baffles 34 can push the paper boards stacked at the top of the material receiving frame 31 down from the material receiving frame 31.

Referring to fig. 5 and 6, the clamping mechanism 4 includes two parallel cylinders 41 fixed at one end of the frame 1, a piston rod end of the cylinder 41 extends into the frame 1 and is fixed with a pressing plate 42, the pressing plate 42 is parallel to the free roller 32, and the length of the pressing plate 42 is the same as the width of the material receiving frame 31; a fixed rod 43 is fixedly arranged on the frame 1 above a piston rod of the air cylinder 41, a guide cylinder 44 is fixedly arranged at the bottom of the fixed rod 43, the piston rod of the air cylinder 41 is connected in the guide cylinder 44 in a sliding manner, and when the piston rod of the air cylinder 41 extends or shortens, the guide cylinder 44 plays a role in guiding the piston rod of the air cylinder 41. When the second 2251 drives the support 221 to slide to the position where the support leg 11 is close to the support frame 13, the paper sheet starts to be folded on the tray 14 of the support 221 from the gap between the material receiving frame 31 and the pressing plate 42, meanwhile, the second 2251 drives the tray 14 to move downward, the paper sheet is folded on the tray 14 below from the position between the material receiving frame 31 and the pressing plate 42, the second 2251 drives the tray 14 to move downward, after the paper sheet on the tray 14 is fully stacked, the second 2251 stops rotating, the third 334 drives the material receiving frame 31 to move in the direction of the cylinder 41, the piston rod of the cylinder 41 extends to push the pressing plate 42 to move in the direction of the material receiving frame 31, so that the paper sheet is clamped between the pressing plate 42 and the material receiving frame 31, and the cutting mechanism 5 horizontally slides.

Referring to fig. 1 and 7, the cutting mechanism 5 includes a cutter holder 51 horizontally slidably connected to the top of the fixing rod 43, a cutter 52 is rotatably connected to one side of the cutter holder 51 close to the material receiving frame 31, a motor four 521 for driving the cutter 52 to rotate is fixedly connected to the cutter holder 51, two transmission gears 53 are rotatably connected to the output shafts of the motor four 521 and the two ends of the fixing rod 43, a toothed belt 54 is engaged with the transmission gears 53, a motor five 55 for driving the transmission gears 53 to transmit is fixedly connected to one end of the fixing rod 43, and the cutter holder 51 is fixedly connected to the toothed belt 54; the top of the fixing rod 43 is provided with a guide groove 431 perpendicular to the sliding direction of the material receiving frame 31, and the bottom of the tool apron 51 is fixedly provided with a guide block 511 slidably connected in the guide groove 431. When the pressing plate 42 and the material receiving frame 31 clamp the paper boards, the five motor 55 drives the transmission gear 53 to rotate, the transmission gear 53 drives the toothed belt 54 to move, the toothed belt 54 drives the cutter holder 51 to slide along the length direction of the fixing rod 43, the four motor 521 drives the cutter 52 to rotate, the cutter 52 cuts the paper boards, and the paper boards on the tray 14 below the material receiving frame 31 and the paper boards above the paper boards are cut off. Then, the second motor 2251 rotates, the driving bracket 221 drives the tray 14 full of paper sheets to slide downward to the ground, and meanwhile, under the driving of the third motor 334, the material receiving rack 31 slides to a position above the tray 14, and the paper sheets continue to be folded on the material receiving rack 31 "

The use principle is as follows: initially, the material receiving rack 31 is located at one end of the support frame 13 far away from the air cylinder 41, when the second motor 2251 drives the bracket 221 of the first material receiving assembly 22 to slide vertically along the support leg 11 to be close to the material receiving rack 31, the cardboard is folded on the tray 14 at the top of the bracket 221, and as the number of the cardboard on the tray 14 increases, the second motor 2251 drives the bracket 221 to slide downwards; when the paper boards on the tray 14 are fully stacked, the second motor 2251 stops rotating, the third motor 334 rotates to drive the material receiving frame 31 to slide to the upper side of the tray 14 in the direction of the cylinder 41, the piston rod of the cylinder 41 extends to push the pressing plate 42 at the end of the piston rod of the cylinder 41 and the end of the material receiving frame 31 to clamp the paper boards; the fifth motor 55 rotates to drive the cutter holder 51 to slide from one end of the fixing rod 43 to the other end, meanwhile, the fourth motor 521 rotates to drive the cutter 52 to rotate, and the cutter 52 cuts the paperboard in the process of sliding along with the cutter holder 51; after cutting, the motor five 55 rotates reversely, the toothed belt 54 is driven to slide the tool apron 51 and the cutting knife 52 to one end of the fixing rod 43 close to the motor five 55, the piston rod of the air cylinder 41 contracts, and the pressing plate 42 is driven to move below the fixing rod 43; meanwhile, the second motor 2251 drives the bracket 221 to slide downward to the ground, the paperboard is folded on the material receiving frame 31, the first motors 2231 on the first material receiving assembly 22 and the second material receiving assembly 21 rotate, the driving roller 222 is driven to rotate, the tray 14 is slid from the first material receiving assembly 22 to the second material receiving assembly 21, and finally slid from one end of the second material receiving assembly 21 away from the first material receiving assembly 22, and the first motor 2231 stops rotating; after the trays on the first material receiving assembly 22 are transferred to the second material receiving assembly 21, a new tray 14 is placed at the top of the first material receiving assembly 22, the second motor 2251 drives the first material receiving assembly 22 to slide to a position close to the fixing rod 43, the third motor 334 drives the material receiving frame 31 to slide to one end of the supporting frame 13 far away from the cylinder 41, the baffle 34 pushes the paper sheets stacked on the material receiving frame 31 onto the tray 14, and the paper sheets are continuously folded onto the tray 14 of the support 221.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a unloader of cardboard folding equipment, includes frame (1), is provided with receiving mechanism (2) in frame (1), places tray (14) that are used for bearing the weight of the cardboard on receiving mechanism (2), its characterized in that:

a clamping mechanism (4), a cutting mechanism (5) and a material changing mechanism (3) which are positioned above the material receiving mechanism (2) and positioned on the same side in the rack (1) are arranged in the rack (1);

the clamping mechanism (4) comprises an air cylinder (41) fixedly arranged at one end of the rack (1), and the end part of a piston rod of the air cylinder (41) extends into the rack (1) and is fixedly connected with a horizontally arranged pressing plate (42);

the material changing mechanism (3) comprises a material receiving frame (31) which is arranged at the same height as the pressing plate and is connected to the rack (1) in a reciprocating horizontal sliding mode relative to the pressing plate (42), when the material receiving frame (31) is far away from the pressing plate (42), a channel for enabling the paper boards to fall and be stacked on the material receiving mechanism (2) is formed between the material receiving frame (31) and the pressing plate (42), and when the material receiving frame (31) moves to the pressing plate (42), a clamping gap for containing the paper boards is formed between the material receiving frame (31) and the pressing plate (42);

the cutting mechanism (5) comprises a cutting knife (52) which is horizontally connected to the rack (1) in a sliding mode, the cutting knife (52) is located above the pressing plate (42), and a driving assembly which drives the cutting knife (52) to vertically slide relative to the sliding direction of the material receiving frame (31) is connected to the rack (1).

2. The blanking unit of a paperboard folding apparatus of claim 1, characterized in that:

the rack (1) is connected with a second driving component (33) for driving the material receiving frame (31) to horizontally slide;

the driving assembly II (33) comprises four chain wheels II (331) rotating on the rack (1), the chain wheels II (331) are located at four corners of the rack (1), two chain wheels II (331) located on the same side of the rack (1) are meshed with a chain II (332), a driving shaft (333) is fixedly arranged at the central part of the two chain wheels II (331) far away from one end of the air cylinder (41) of the rack (1), a motor III (334) fixedly connected with one end of the driving shaft (333) through an output shaft is arranged on the rack (1), and the material receiving frame (31) is fixedly connected to the chain II (332).

3. The blanking unit of a paperboard folding apparatus of claim 1, characterized in that: the material receiving rack is characterized in that sliding grooves (131) are formed in the two sides of the rack (1) along the sliding direction of the material receiving rack (31), and sliding blocks (311) connected into the sliding grooves (131) in a sliding mode are fixedly arranged at the bottom of the material receiving rack (31).

4. The blanking unit of a paperboard folding apparatus of claim 1, characterized in that: and a baffle (34) extending along the sliding direction of the material receiving frame (31) is fixedly arranged above the material receiving frame (31) on the rack (1).

5. The blanking unit of a paperboard folding apparatus of claim 1, characterized in that: the cutting mechanism (5) further comprises a fixing rod (43) fixedly arranged on the rack (1) and arranged in parallel with the pressing plate (42) and positioned above the pressing plate (42), the top of the fixing rod (43) is connected with a cutter holder (51) in a horizontal sliding mode, the cutting knife (52) is connected onto the cutter holder (51), and the cutter holder (51) is connected with the driving assembly.

6. The blanking unit of a paperboard folding apparatus of claim 5, wherein: the driving assembly comprises transmission gears (53) which are rotatably connected to two ends of the top of the fixing rod (43), toothed belts (54) are meshed on the two transmission gears (53), one end of the fixing rod (43) is fixedly connected with a motor five (55) which drives the transmission gears (53) to transmit, and the tool apron (51) is fixedly connected to the toothed belts (54).

7. The blanking unit of a paperboard folding apparatus of claim 5, wherein: the top of the fixed rod (43) is provided with a guide groove (431) along the length extension direction, and the bottom of the tool apron (51) is fixedly provided with a guide block (511) which is connected in the guide groove (431) in a sliding manner.

8. The blanking unit of a paperboard folding apparatus of claim 1, characterized in that:

the material receiving mechanism (2) comprises a first material receiving assembly (22) which is vertically connected to the rack (1) in a sliding manner, a first driving assembly (225) which drives the first material receiving assembly (22) to slide, and a second material receiving assembly (21) which is positioned on one side of the bottom of the rack (1);

first connect material subassembly (22) and second to connect material subassembly (21) all include vertical slip and connect support (221) in frame (1), it is connected with many driving rollers (222) that are parallel to each other to rotate on support (221), the axial of driving roller (222) sets up with the slip direction of support (221) is perpendicular, tray (14) are placed in driving roller (222) top, support (221) and fixedly connected with master gear (223) are extended to the one end of driving roller (222), the meshing has from gear (224) between adjacent master gear (223), fixedly connected with drive master gear (223) pivoted motor one (2231) on support (221).

9. The blanking unit of a paperboard folding apparatus of claim 8, wherein: drive assembly one (225) including setting firmly in two (2251) motors of frame (1) both sides, be connected with the level setting on two (2251) motors and with transmission shaft (2252) of the perpendicular setting of length direction of clamp plate (42), the both ends of transmission shaft (2252) have set firmly sprocket one (2253) respectively, it has chain one (2254) all to mesh on every sprocket one (2253), the one end fixed connection of chain one (2254) is on support (221), other end fixedly connected with balancing weight (2255), balancing weight (2255) vertical sliding connection is in the outside of frame (1).

10. The blanking unit of a paperboard folding apparatus of claim 9, wherein:

the rack (1) is square formed by four support legs (11), a first vertical sliding groove (111) is formed in the inner side of each support leg (11), idler wheels (2211) are rotatably connected to four corners of the support (221), and the idler wheels (2211) are connected into the first sliding groove (111) in a sliding mode;

the outer side of the supporting leg (11) departing from the first sliding groove (111) is provided with a second vertical sliding groove (112), and the inner side of the balancing weight (2255) close to the rack (1) is fixedly provided with a sliding block (2256) connected in the second sliding groove (112) in a sliding manner.